moor-bird vs moorgame

moor-bird and moorgame both are nouns.

Word	Noun	Adjective	Verb	Adverb
moor-bird	Yes	No	No	No
moorgame	Yes	No	No	No

As nouns, moor-bird and moorgame are synonyms defined as:

moor-bird and moorgame: reddish-brown grouse of upland moors of Great Britain

Other synonyms of moor-bird include Lagopus scoticus, moorbird, moorfowl, red grouse.

moor-bird (noun)	moorgame (noun)
reddish-brown grouse of upland moors of Great Britain	reddish-brown grouse of upland moors of Great Britain